AQUANEAT 100W Aquarium Heater with Digital Thermometer - Adjustable Submersible Thermostat for 15-30 Gallon Tanks

Reliable heat for your fish tank

The AQUANEAT 100W Aquarium Heater is designed to keep water in a stable, comfortable range for your aquatic life. Its compact 8.25 inch form fits neatly into 15-30 gallon setups, while a 6-foot power cord provides flexible placement around the stand and décor. The combination of a clear temperature dial and an integrated digital thermometer helps you monitor warmth with ease, so you can focus on enjoying your tank’s activity and color.

Adjustability matters in real life. This heater supports a broad temperature range from 65 to 89 degrees Fahrenheit, making it suitable for a variety of freshwater and marine environments. The device is submerged during operation, delivering consistent warmth without abrupt temperature swings that can stress inhabitants. A simple red indicator light signals when the target temperature is reached, giving you a quick at-a-glance read without needing to dive into settings.

Why you might choose this setup

• Versatile for marine and freshwater tanks within the 15-30 gallon category.
• Top-access temperature dial simplifies on-the-fly adjustments while the tank is running.
• Consistent warmth supported by a steady state once the set temperature is achieved.
• Includes practical extras: two suction cups and a digital thermometer for easy temperature monitoring.
• Designed for safe submersion with straightforward safety reminders to unplug before maintenance.

What’s in the box

• 1 x AQUANEAT 100W Aquarium Heater
• 2 x Suction cups for secure mounting
• 1 x Digital thermometer for monitoring

Safety and care tips

• Fully submerge the heater before powering on.
• Unplug and wait at least 10 minutes before performing maintenance or removing it from water.
• Avoid touching the heater while it is powered to prevent scalding.